fix(okxNewPrice): 修复合约面值配置错误并更新文档

Administrator

2026-06-02 d663147264d0fc97e9e7ddbd4aeee69e833ad025

 src/main/java/com/xcong/excoin/common/contants/AppContants.java

@@ -74,4 +74,6 @@
     */
    public static final String UPLOAD_IMAGE_SUFFIX = ".jpg";

    public static final String TIME_OUT = "time_out";

}